controllers/C_Document.class.php

   1 <?php
   2 // This program is free software; you can redistribute it and/or
   3 // modify it under the terms of the GNU General Public License
   4 // as published by the Free Software Foundation; either version 2
   5 // of the License, or (at your option) any later version.
   6
   7 require_once(dirname(__FILE__) . "/../library/forms.inc");
   8
   9 class C_Document extends Controller {
  10
  11         var $template_mod;
  12         var $documents;
  13         var $document_categories;
  14         var $tree;
  15         var $_config;
  16         var $manual_set_owner=false; // allows manual setting of a document owner/service
  17
  18         function __construct($template_mod = "general") {
  19                 parent::__construct();
  20                 $this->documents = array();
  21                 $this->template_mod = $template_mod;
  22                 $this->assign("FORM_ACTION", $GLOBALS['webroot']."/controller.php?" . $_SERVER['QUERY_STRING']);
  23                 $this->assign("CURRENT_ACTION", $GLOBALS['webroot']."/controller.php?" . "document&");
  24
  25                 //get global config options for this namespace
  26                 $this->_config = $GLOBALS['oer_config']['documents'];
  27
  28                 $this->_args = array("patient_id" => $_GET['patient_id']);
  29
  30                 $this->assign("STYLE", $GLOBALS['style']);
  31                 $t = new CategoryTree(1);
  32                 //print_r($t->tree);
  33                 $this->tree = $t;
  34                 $this->Document = new Document();
  35         }
  36
  37         function upload_action($patient_id,$category_id) {
  38                 $category_name = $this->tree->get_node_name($category_id);
  39                 $this->assign("category_id", $category_id);
  40                 $this->assign("category_name", $category_name);
  41                 $this->assign("hide_encryption", $GLOBALS['hide_document_encryption'] );
  42                 $this->assign("patient_id", $patient_id);
  43
  44     // Added by Rod to support document template download from general_upload.html.
  45     // Cloned from similar stuff in manage_document_templates.php.
  46     $templatedir = $GLOBALS['OE_SITE_DIR'] . '/documents/doctemplates';
  47     $templates_options = "<option value=''>-- " . xl('Select Template') . " --</option>";
  48     if (file_exists($templatedir)) {
  49       $dh = opendir($templatedir);
  50     }
  51     if ($dh) {
  52       $templateslist = array();
  53       while (false !== ($sfname = readdir($dh))) {
  54         if (substr($sfname, 0, 1) == '.') continue;
  55         $templateslist[$sfname] = $sfname;
  56       }
  57       closedir($dh);
  58       ksort($templateslist);
  59       foreach ($templateslist as $sfname) {
  60         $templates_options .= "<option value='" . htmlspecialchars($sfname, ENT_QUOTES) .
  61           "'>" . htmlspecialchars($sfname) . "</option>";
  62       }
  63     }
  64     $this->assign("TEMPLATES_LIST", $templates_options);
  65
  66                 $activity = $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_upload.html");
  67                 $this->assign("activity", $activity);
  68                 return $this->list_action($patient_id);
  69         }
  70
  71         //Upload multiple files on single click
  72     function upload_action_process() {
  73
  74         // Collect a manually set owner if this has been set
  75         // Used when want to manually assign the owning user/service such as the Direct mechanism
  76         $non_HTTP_owner=false;
  77         if ($this->manual_set_owner) {
  78             $non_HTTP_owner=$this->manual_set_owner;
  79         }
  80
  81         $couchDB = false;
  82         $harddisk = false;
  83         if($GLOBALS['document_storage_method']==0){
  84             $harddisk = true;
  85         }
  86         if($GLOBALS['document_storage_method']==1){
  87             $couchDB = true;
  88         }
  89
  90         if ($_POST['process'] != "true")
  91             return;
  92
  93         $doDecryption = false;
  94         $encrypted = $_POST['encrypted'];
  95         $passphrase = $_POST['passphrase'];
  96         if ( !$GLOBALS['hide_document_encryption'] &&
  97             $encrypted && $passphrase ) {
  98             $doDecryption = true;
  99         }
 100
 101         if (is_numeric($_POST['category_id'])) {
 102             $category_id = $_POST['category_id'];
 103         }
 104
 105         $patient_id = 0;
 106         if (isset($_GET['patient_id']) && !$couchDB) {
 107             $patient_id = $_GET['patient_id'];
 108         }
 109         else if (is_numeric($_POST['patient_id'])) {
 110             $patient_id = $_POST['patient_id'];
 111         }
 112
 113         $sentUploadStatus = array();
 114         if( count($_FILES['file']['name']) > 0){
 115             $upl_inc = 0;
 116             foreach($_FILES['file']['name'] as $key => $value){
 117                 $fname = $value;
 118                 $err = "";
 119                 if ($_FILES['file']['error'][$key] > 0 || empty($fname) || $_FILES['file']['size'][$key] == 0) {
 120                     $fname = $value;
 121                     if (empty($fname)) {
 122                         $fname = htmlentities("<empty>");
 123                     }
 124                     $error = "Error number: " . $_FILES['file']['error'][$key] . " occured while uploading file named: " . $fname . "\n";
 125                     if ($_FILES['file']['size'][$key] == 0) {
 126                         $error .= "The system does not permit uploading files of with size 0.\n";
 127                     }
 128                 }else{
 129                     $tmpfile = fopen($_FILES['file']['tmp_name'][$key], "r");
 130                     $filetext = fread($tmpfile, $_FILES['file']['size'][$key]);
 131                     fclose($tmpfile);
 132                     if ($doDecryption) {
 133                       $filetext = $this->decrypt($filetext, $passphrase);
 134                     }
 135                     if ( $_POST['destination'] != '' ) {
 136                       $fname = $_POST['destination'];
 137                     }
 138                     $d = new Document();
 139                     $rc = $d->createDocument($patient_id, $category_id, $fname,
 140                       $_FILES['file']['type'][$key], $filetext,
 141                       empty($_GET['higher_level_path']) ? '' : $_GET['higher_level_path'],
 142                       empty($_POST['path_depth']) ? 1 : $_POST['path_depth'],
 143                       $non_HTTP_owner, $_FILES['file']['tmp_name'][$key]);
 144                     if ($rc) {
 145                       $error .= $rc . "\n";
 146                     }
 147                     else {
 148                       $this->assign("upload_success", "true");
 149                     }
 150                     $sentUploadStatus[] = $d;
 151                     $this->assign("file", $sentUploadStatus);
 152                 }
 153
 154                 // Option to run a custom plugin for each file upload.
 155                 // This was initially created to delete the original source file in a custom setting.
 156                 $upload_plugin = $GLOBALS['OE_SITE_DIR'] . "/documentUpload.plugin.php";
 157                 if (file_exists($upload_plugin)) {
 158                   include_once($upload_plugin);
 159                 }
 160                 $upload_plugin_pp = 'documentUploadPostProcess';
 161                 if (function_exists($upload_plugin_pp)) {
 162                   $tmp = call_user_func($upload_plugin_pp, $value, $d);
 163                   if ($tmp) {
 164                     $error = $tmp;
 165                   }
 166                 }
 167                 // Following is just an example of code in such a plugin file.
 168                 /*****************************************************
 169                 function documentUploadPostProcess($filename, &$d) {
 170                   $userid = $_SESSION['authUserID'];
 171                   $row = sqlQuery("SELECT username FROM users WHERE id = ?", array($userid));
 172                   $owner = strtolower($row['username']);
 173                   $dn = '1_' . ucfirst($owner);
 174                   $filepath = "/shared_network_directory/$dn/$filename";
 175                   if (@unlink($filepath)) return '';
 176                   return "Failed to delete '$filepath'.";
 177                 }
 178                 *****************************************************/
 179
 180             }
 181         }
 182
 183         $this->assign("error", nl2br($error));
 184         //$this->_state = false;
 185         $_POST['process'] = "";
 186         //return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_upload.html");
 187     }
 188
 189         function note_action_process($patient_id) {
 190                 // this function is a dual function that will set up a note associated with a document or send a document via email.
 191
 192                 if ($_POST['process'] != "true")
 193                         return;
 194
 195                 $n = new Note();
 196                 $n->set_owner($_SESSION['authUserID']);
 197                 parent::populate_object($n);
 198                 if ($_POST['identifier'] == "no"){
 199                         // associate a note with a document
 200                         $n->persist();
 201                 }elseif ($_POST['identifier'] == "yes"){
 202                         // send the document via email
 203                         $d = new Document($_POST['foreign_id']);
 204                         $url =  $d->get_url();
 205                         $storagemethod = $d->get_storagemethod();
 206                         $couch_docid = $d->get_couch_docid();
 207                         $couch_revid = $d->get_couch_revid();
 208                         if($couch_docid && $couch_revid){
 209                                 $couch = new CouchDB();
 210                                 $data = array($GLOBALS['couchdb_dbase'],$couch_docid);
 211                                 $resp = $couch->retrieve_doc($data);
 212                                 $content = $resp->data;
 213                                 if($content=='' && $GLOBALS['couchdb_log']==1){
 214                                         $log_content = date('Y-m-d H:i:s')." ==> Retrieving document\r\n";
 215                                         $log_content = date('Y-m-d H:i:s')." ==> URL: ".$url."\r\n";
 216                                         $log_content .= date('Y-m-d H:i:s')." ==> CouchDB Document Id: ".$couch_docid."\r\n";
 217                                         $log_content .= date('Y-m-d H:i:s')." ==> CouchDB Revision Id: ".$couch_revid."\r\n";
 218                                         $log_content .= date('Y-m-d H:i:s')." ==> Failed to fetch document content from CouchDB.\r\n";
 219                                         //$log_content .= date('Y-m-d H:i:s')." ==> Will try to download file from HardDisk if exists.\r\n\r\n";
 220                                         $this->document_upload_download_log($d->get_foreign_id(),$log_content);
 221                                         die(xlt("File retrieval from CouchDB failed"));
 222                                 }
 223                                 // place it in a temporary file and will remove the file below after emailed
 224                                 $temp_couchdb_url = $GLOBALS['OE_SITE_DIR'].'/documents/temp/couch_'.date("YmdHis").$d->get_url_file();
 225                                 $fh = fopen($temp_couchdb_url,"w");
 226                                 fwrite($fh,base64_decode($content));
 227                                 fclose($fh);
 228                                 $temp_url = $temp_couchdb_url; // doing this ensure hard drive file never deleted in case something weird happens
 229                         } else {
 230                                 $url = preg_replace("|^(.*)://|","",$url);
 231                                 // Collect filename and path
 232                                 $from_all = explode("/",$url);
 233                                 $from_filename = array_pop($from_all);
 234                                 $from_pathname_array = array();
 235                                 for ($i=0;$i<$d->get_path_depth();$i++) {
 236                                       $from_pathname_array[] = array_pop($from_all);
 237                                 }
 238                                 $from_pathname_array = array_reverse($from_pathname_array);
 239                                 $from_pathname = implode("/",$from_pathname_array);
 240                                 $temp_url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $from_pathname . '/' . $from_filename;
 241                         }
 242                         if (!file_exists($temp_url)) {
 243                               echo xl('The requested document is not present at the expected location on the filesystem or there are not sufficient permissions to access it.','','',' ') . $temp_url;
 244                         }
 245                         $url = $temp_url;
 246                         $body_notes = attr($_POST['note']);
 247                         $pdetails = getPatientData($patient_id);
 248                         $pname = $pdetails['fname']." ".$pdetails['lname'];
 249                         $this->document_send($_POST['provide_email'],$body_notes,$url,$pname);
 250                         if ($couch_docid && $couch_revid) {
 251                               // remove the temporary couchdb file
 252                               unlink($temp_couchdb_url);
 253                         }
 254                 }
 255                 $this->_state = false;
 256                 $_POST['process'] = "";
 257                 return $this->view_action($patient_id,$n->get_foreign_id());
 258         }
 259
 260         function default_action() {
 261                 return $this->list_action();
 262         }
 263
 264         function view_action($patient_id="",$doc_id) {
 265                 // Added by Rod to support document delete:
 266                 global $gacl_object, $phpgacl_location;
 267                 global $ISSUE_TYPES;
 268
 269                 require_once(dirname(__FILE__) . "/../library/acl.inc");
 270                 require_once(dirname(__FILE__) . "/../library/lists.inc");
 271
 272                 $d = new Document($doc_id);
 273                 $n = new Note();
 274
 275                 $notes = $n->notes_factory($doc_id);
 276
 277                 $this->assign("file", $d);
 278                 $this->assign("web_path", $this->_link("retrieve") . "document_id=" . $d->get_id() . "&");
 279                 $this->assign("NOTE_ACTION",$this->_link("note"));
 280                 $this->assign("MOVE_ACTION",$this->_link("move") . "document_id=" . $d->get_id() . "&process=true");
 281                 $this->assign("hide_encryption", $GLOBALS['hide_document_encryption'] );
 282
 283                 // Added by Rod to support document delete:
 284                 $delete_string = '';
 285                 if (acl_check('admin', 'super')) {
 286                         $delete_string = "<a href='' class='css_button' onclick='return deleteme(" . $d->get_id() .
 287                                 ")'><span><font color='red'>" . xl('Delete') . "</font></span></a>";
 288                 }
 289                 $this->assign("delete_string", $delete_string);
 290                 $this->assign("REFRESH_ACTION",$this->_link("list"));
 291
 292                 $this->assign("VALIDATE_ACTION",$this->_link("validate") .
 293                         "document_id=" . $d->get_id() . "&process=true");
 294
 295                 // Added by Rod to support document date update:
 296                 $this->assign("DOCDATE", $d->get_docdate());
 297                 $this->assign("UPDATE_ACTION",$this->_link("update") .
 298                         "document_id=" . $d->get_id() . "&process=true");
 299
 300                 // Added by Rod to support document issue update:
 301                 $issues_options = "<option value='0'>-- " . xl('Select Issue') . " --</option>";
 302                 $ires = sqlStatement("SELECT id, type, title, begdate FROM lists WHERE " .
 303                         "pid = ? " . // AND enddate IS NULL " .
 304                         "ORDER BY type, begdate", array($patient_id) );
 305                 while ($irow = sqlFetchArray($ires)) {
 306                         $desc = $irow['type'];
 307                         if ($ISSUE_TYPES[$desc]) $desc = $ISSUE_TYPES[$desc][2];
 308                         $desc .= ": " . $irow['begdate'] . " " . htmlspecialchars(substr($irow['title'], 0, 40));
 309                         $sel = ($irow['id'] == $d->get_list_id()) ? ' selected' : '';
 310                         $issues_options .= "<option value='" . $irow['id'] . "'$sel>$desc</option>";
 311                 }
 312                 $this->assign("ISSUES_LIST", $issues_options);
 313
 314                 // For tagging to encounter
 315                 // Populate the dropdown with patient's encounter list
 316                 $this->assign("TAG_ACTION",$this->_link("tag") . "document_id=" . $d->get_id() . "&process=true");
 317                 $encOptions = "<option value='0'>-- " . xlt('Select Encounter') . " --</option>";
 318                 $result_docs = sqlStatement("SELECT fe.encounter,fe.date,openemr_postcalendar_categories.pc_catname FROM form_encounter AS fe " .
 319                         "LEFT JOIN openemr_postcalendar_categories ON fe.pc_catid=openemr_postcalendar_categories.pc_catid  WHERE fe.pid = ? ORDER BY fe.date desc",array($patient_id));
 320                 if ( sqlNumRows($result_docs) > 0)
 321                 while($row_result_docs = sqlFetchArray($result_docs)) {
 322                         $sel_enc = ($row_result_docs['encounter'] == $d->get_encounter_id()) ? ' selected' : '';
 323                         $encOptions .= "<option value='" . attr($row_result_docs['encounter']) . "' $sel_enc>". oeFormatShortDate(date('Y-m-d', strtotime($row_result_docs['date']))) . "-" . text($row_result_docs['pc_catname'])."</option>";
 324                 }
 325                 $this->assign("ENC_LIST", $encOptions);
 326
 327                 //Populate the dropdown with category list
 328                 $visit_category_list = "<option value='0'>-- " . xlt('Select One') . " --</option>";
 329                 $cres = sqlStatement("SELECT pc_catid, pc_catname FROM openemr_postcalendar_categories ORDER BY pc_catname");
 330                 while ($crow = sqlFetchArray($cres)) {
 331                         $catid = $crow['pc_catid'];
 332                         if ($catid < 9 && $catid != 5) continue; // Applying same logic as in new encounter page.
 333                         $visit_category_list .="<option value='".attr($catid)."'>" . text(xl_appt_category($crow['pc_catname'])) . "</option>\n";
 334                 }
 335                 $this->assign("VISIT_CATEGORY_LIST", $visit_category_list);
 336
 337                 $this->assign("notes",$notes);
 338
 339                 $this->assign("IMG_PROCEDURE_TAG_ACTION",$this->_link("image_procedure") . "document_id=" . $d->get_id());
 340                 // Populate the dropdown with image procedure order list
 341                 $imgOptions = "<option value='0'>-- " . xlt('Select Image Procedure') . " --</option>";
 342                 $imgOrders  = sqlStatement("select procedure_name,po.procedure_order_id,procedure_code from procedure_order po inner join procedure_order_code poc on poc.procedure_order_id = po.procedure_order_id where po.patient_id = ?  and poc.procedure_order_title = 'imaging'",array($patient_id));
 343                 $mapping    = $this->get_mapped_procedure($d->get_id());
 344                 if(sqlNumRows($imgOrders) > 0){
 345                          while($row = sqlFetchArray($imgOrders)) {
 346                                 $sel_proc = '';
 347                                 if((isset($mapping['procedure_code']) && $mapping['procedure_code'] == $row['procedure_code']) && (isset($mapping['procedure_code']) && $mapping['procedure_order_id'] == $row['procedure_order_id']))
 348                                         $sel_proc = 'selected';
 349                                 $imgOptions .= "<option value='". attr($row['procedure_order_id']). "' data-code='".attr($row['procedure_code'])."' $sel_proc>".text($row['procedure_name'].' - '.$row['procedure_code'])."</option>";
 350                         }
 351                 }
 352
 353                 $this->assign('IMAGE_PROCEDURE_LIST',$imgOptions);
 354
 355                 $this->assign('clear_procedure_tag',$this->_link('clear_procedure_tag')."document_id=" . $d->get_id());
 356
 357                 $this->_last_node = null;
 358
 359                 $menu  = new HTML_TreeMenu();
 360
 361                 //pass an empty array because we don't want the documents for each category showing up in this list box
 362                 $rnode = $this->_array_recurse($this->tree->tree,array());
 363                 $menu->addItem($rnode);
 364                 $treeMenu_listbox  = new HTML_TreeMenu_Listbox($menu, array("promoText" => xl('Move Document to Category:')));
 365
 366                 $this->assign("tree_html_listbox",$treeMenu_listbox->toHTML());
 367
 368                 $activity = $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_view.html");
 369                 $this->assign("activity", $activity);
 370
 371                 return $this->list_action($patient_id);
 372         }
 373
 374         function encrypt( $plaintext, $key, $cypher = 'tripledes', $mode = 'cfb' )
 375     {
 376         $td = mcrypt_module_open( $cypher, '', $mode, '');
 377         $iv = mcrypt_create_iv( mcrypt_enc_get_iv_size( $td ), MCRYPT_RAND );
 378         mcrypt_generic_init( $td, $key, $iv );
 379         $crypttext = mcrypt_generic( $td, $plaintext );
 380         mcrypt_generic_deinit( $td );
 381         return $iv.$crypttext;
 382     }
 383
 384     function decrypt( $crypttext, $key, $cypher = 'tripledes', $mode = 'cfb' )
 385     {
 386         $plaintext = '';
 387         $td = mcrypt_module_open( $cypher, '', $mode, '' );
 388         $ivsize = mcrypt_enc_get_iv_size( $td) ;
 389         $iv = substr( $crypttext, 0, $ivsize );
 390         $crypttext = substr( $crypttext, $ivsize );
 391         if( $iv )
 392         {
 393             mcrypt_generic_init( $td, $key, $iv );
 394             $plaintext = mdecrypt_generic( $td, $crypttext );
 395         }
 396         return $plaintext;
 397     }
 398
 399         /**
 400          * Retrieve file from hard disk / CouchDB.
 401          * In case that file isn't download this function will return thumbnail image (if exist).
 402          * @param (boolean) $show_original - enable to show the original image (not thumbnail) in inline status.
 403          * */
 404         function retrieve_action($patient_id="",$document_id,$as_file=true,$original_file=true,$disable_exit=false,$show_original=false) {
 405
 406             $encrypted = $_POST['encrypted'];
 407                 $passphrase = $_POST['passphrase'];
 408                 $doEncryption = false;
 409                 if ( !$GLOBALS['hide_document_encryption'] &&
 410                     $encrypted == "true" &&
 411                     $passphrase ) {
 412                     $doEncryption = true;
 413                 }
 414
 415                 //controller function ruins booleans, so need to manually re-convert to booleans
 416                 if ($as_file == "true") {
 417                         $as_file=true;
 418                 }
 419                 else if ($as_file == "false") {
 420                         $as_file=false;
 421                 }
 422                 if ($original_file == "true") {
 423                         $original_file=true;
 424                 }
 425                 else if ($original_file == "false") {
 426                         $original_file=false;
 427                 }
 428                 if ($disable_exit == "true") {
 429                                 $disable_exit=true;
 430                 }
 431                 else if ($disable_exit == "false") {
 432                                 $disable_exit=false;
 433                 }
 434                 if ($show_original == "true") {
 435                         $show_original=true;
 436                 }
 437                 else if ($show_original == "false") {
 438                         $show_original=false;
 439                 }
 440
 441                 $d = new Document($document_id);
 442                 $url =  $d->get_url();
 443                 $th_url = $d->get_thumb_url();
 444
 445                 $storagemethod = $d->get_storagemethod();
 446                 $couch_docid = $d->get_couch_docid();
 447                 $couch_revid = $d->get_couch_revid();
 448
 449                 if($couch_docid && $couch_revid && $original_file){
 450                         $couch = new CouchDB();
 451                         $data = array($GLOBALS['couchdb_dbase'],$couch_docid);
 452                         $resp = $couch->retrieve_doc($data);
 453                         //Take thumbnail file when is not null and file is presented online
 454                         if (!$as_file && !is_null($th_url) && !$show_original) {
 455                                 $content = $resp->th_data;
 456                         } else {
 457                                 $content = $resp->data;
 458                         }
 459                         if($content=='' && $GLOBALS['couchdb_log']==1){
 460                                 $log_content = date('Y-m-d H:i:s')." ==> Retrieving document\r\n";
 461                                 $log_content = date('Y-m-d H:i:s')." ==> URL: ".$url."\r\n";
 462                                 $log_content .= date('Y-m-d H:i:s')." ==> CouchDB Document Id: ".$couch_docid."\r\n";
 463                                 $log_content .= date('Y-m-d H:i:s')." ==> CouchDB Revision Id: ".$couch_revid."\r\n";
 464                                 $log_content .= date('Y-m-d H:i:s')." ==> Failed to fetch document content from CouchDB.\r\n";
 465                                 $log_content .= date('Y-m-d H:i:s')." ==> Will try to download file from HardDisk if exists.\r\n\r\n";
 466                                 $this->document_upload_download_log($d->get_foreign_id(),$log_content);
 467                                 die(xl("File retrieval from CouchDB failed"));
 468                         }
 469                         if($disable_exit == true) {
 470                             return base64_decode($content);
 471                         }
 472                         header('Content-Description: File Transfer');
 473                         header('Content-Transfer-Encoding: binary');
 474                         header('Expires: 0');
 475                         header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
 476                         header('Pragma: public');
 477                         $tmpcouchpath = $GLOBALS['OE_SITE_DIR'].'/documents/temp/couch_'.date("YmdHis").$d->get_url_file();
 478                         $fh = fopen($tmpcouchpath,"w");
 479                         fwrite($fh,base64_decode($content));
 480                         fclose($fh);
 481                         $f = fopen($tmpcouchpath,"r");
 482                         if ( $doEncryption ) {
 483                                 $filetext = fread( $f, filesize($tmpcouchpath) );
 484                                 $ciphertext = $this->encrypt( $filetext, $passphrase );
 485                                 $tmpfilepath = $GLOBALS['temporary_files_dir'];
 486                                 $tmpfilename = "/encrypted_".$d->get_url_file();
 487                                 $tmpfile = fopen( $tmpfilepath.$tmpfilename, "w+" );
 488                                 fwrite( $tmpfile, $ciphertext );
 489                                 fclose( $tmpfile );
 490                                 header('Content-Disposition: attachment; filename='.$tmpfilename );
 491                                 header("Content-Type: application/octet-stream" );
 492                                 header("Content-Length: " . filesize( $tmpfilepath.$tmpfilename ) );
 493                                 ob_clean();
 494                                 flush();
 495                                 readfile( $tmpfilepath.$tmpfilename );
 496                                 unlink( $tmpfilepath.$tmpfilename );
 497                         } else {
 498                                 header("Content-Disposition: " . ($as_file ? "attachment" : "inline") . "; filename=\"" . basename_international($d->get_url()) . "\"");
 499                                 header("Content-Type: " . $d->get_mimetype());
 500                                 header("Content-Length: " . filesize($tmpcouchpath));
 501                                 fpassthru($f);
 502                         }
 503                         fclose($f);
 504                         if($content!='')
 505                         unlink($tmpcouchpath);
 506                         exit;//exits only if file download from CouchDB is successfull.
 507                 }
 508
 509                 //Take thumbnail file when is not null and file is presented online
 510                 if(!$as_file && !is_null($th_url) && !$show_original) {
 511                         $url = $th_url;
 512                 }
 513
 514                 //strip url of protocol handler
 515                 $url = preg_replace("|^(.*)://|","",$url);
 516
 517                 //change full path to current webroot.  this is for documents that may have
 518                 //been moved from a different filesystem and the full path in the database
 519                 //is not current.  this is also for documents that may of been moved to
 520                 //different patients. Note that the path_depth is used to see how far down
 521                 //the path to go. For example, originally the path_depth was always 1, which
 522                 //only allowed things like documents/1/<file>, but now can have more structured
 523                 //directories. For example a path_depth of 2 can give documents/encounters/1/<file>
 524                 // etc.
 525                 // NOTE that $from_filename and basename($url) are the same thing
 526                 $from_all = explode("/",$url);
 527                 $from_filename = array_pop($from_all);
 528                 $from_pathname_array = array();
 529                 for ($i=0;$i<$d->get_path_depth();$i++) {
 530                         $from_pathname_array[] = array_pop($from_all);
 531                 }
 532                 $from_pathname_array = array_reverse($from_pathname_array);
 533                 $from_pathname = implode("/",$from_pathname_array);
 534     if($couch_docid && $couch_revid){
 535         //for couchDB no URL is available in the table, hence using the foreign_id which is patientID
 536         $temp_url = $GLOBALS['OE_SITE_DIR'] . '/documents/temp/' . $d->get_foreign_id() . '_' . $from_filename;
 537
 538         }
 539         else{
 540         $temp_url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $from_pathname . '/' . $from_filename;
 541         }
 542
 543                 if (file_exists($temp_url)) {
 544                         $url = $temp_url;
 545                 }
 546
 547
 548                 if (!file_exists($url)) {
 549                         echo xl('The requested document is not present at the expected location on the filesystem or there are not sufficient permissions to access it.','','',' ') . $url;
 550
 551                 }
 552                 else {
 553                         if ($original_file) {
 554                             //normal case when serving the file referenced in database
 555                             if($disable_exit == true) {
 556                                 $f = fopen($url,"r");
 557                                 $filetext = fread( $f, filesize($url) );
 558                                 return $filetext;
 559                             }
 560                 header('Content-Description: File Transfer');
 561                 header('Content-Transfer-Encoding: binary');
 562                 header('Expires: 0');
 563                 header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
 564                 header('Pragma: public');
 565                             $f = fopen($url,"r");
 566                             if ( $doEncryption ) {
 567                                 $filetext = fread( $f, filesize($url) );
 568                                 $ciphertext = $this->encrypt( $filetext, $passphrase );
 569                                 $tmpfilepath = $GLOBALS['temporary_files_dir'];
 570                                 $tmpfilename = "/encrypted_".$d->get_url_file();
 571                                 $tmpfile = fopen( $tmpfilepath.$tmpfilename, "w+" );
 572                     fwrite( $tmpfile, $ciphertext );
 573                     fclose( $tmpfile );
 574                     header('Content-Disposition: attachment; filename='.$tmpfilename );
 575                                 header("Content-Type: application/octet-stream" );
 576                                 header("Content-Length: " . filesize( $tmpfilepath.$tmpfilename ) );
 577                                 ob_clean();
 578                             flush();
 579                             readfile( $tmpfilepath.$tmpfilename );
 580                     unlink( $tmpfilepath.$tmpfilename );
 581                             } else {
 582                                 header("Content-Disposition: " . ($as_file ? "attachment" : "inline") . "; filename=\"" . basename_international($d->get_url()) . "\"");
 583                                 header("Content-Type: " . $d->get_mimetype());
 584                                 header("Content-Length: " . filesize($url));
 585                                 fpassthru($f);
 586                             }
 587                             exit;
 588                         }
 589                         else {
 590                             //special case when retrieving a document that has been converted to a jpg and not directly referenced in database
 591                                 $convertedFile = substr(basename_international($url), 0, strrpos(basename_international($url), '.')) . '_converted.jpg';
 592                                 if($couch_docid && $couch_revid){
 593                                 $url = $GLOBALS['OE_SITE_DIR'] . '/documents/temp/' . $convertedFile;
 594                                 }
 595                                 else{
 596                                 $url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $from_pathname . '/' . $convertedFile;
 597                 }
 598                                 if($disable_exit == true) {
 599                                     return ;
 600                                 }
 601                                 header("Pragma: public");
 602                             header("Expires: 0");
 603                             header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
 604                             header("Content-Disposition: " . ($as_file ? "attachment" : "inline") . "; filename=\"" . basename_international($url) . "\"");
 605                             header("Content-Type: image/jpeg");
 606                             header("Content-Length: " . filesize($url));
 607                             $f = fopen($url,"r");
 608                             fpassthru($f);
 609                                 if($couch_docid && $couch_revid){
 610                                 fclose($f);
 611                                 unlink($url);
 612                                 $url=str_replace("_converted.jpg",'.pdf',$url);
 613                                 unlink($url);
 614                                 }
 615                             exit;
 616                         }
 617                 }
 618         }
 619
 620         function queue_action($patient_id="") {
 621                 $messages = $this->_tpl_vars['messages'];
 622                 $queue_files = array();
 623
 624                 //see if the repository exists and it is a directory else error
 625                 if (file_exists($this->_config['repository']) && is_dir($this->_config['repository'])) {
 626                         $dir = opendir($this->_config['repository']);
 627                         //read each entry in the directory
 628                         while (($file = readdir($dir)) !== false) {
 629                                 //concat the filename and path
 630                                 $file = $this->_config['repository'] .$file;
 631                                 $file_info = array();
 632                                 //if the filename is a file get its info and put into a tmp array
 633                                 if (is_file($file) && strpos(basename_international($file),".") !== 0) {
 634                                         $file_info['filename'] = basename_international($file);
 635                                         $file_info['mtime'] = date("m/d/Y H:i:s",filemtime($file));
 636                                         $d = $this->Document->document_factory_url("file://" . $file);
 637                                         preg_match("/^([0-9]+)_/",basename_international($file),$patient_match);
 638                                         $file_info['patient_id'] = $patient_match[1];
 639                                         $file_info['document_id'] = $d->get_id();
 640                                         $file_info['web_path'] = $this->_link("retrieve",true) . "document_id=" . $d->get_id() . "&";
 641
 642                                         //merge the tmp array into the larger array
 643                                         $queue_files[] = $file_info;
 644                                 }
 645                 }
 646                 closedir($dir);
 647                 }
 648                 else {
 649                         $messages .= "The repository directory does not exist, it is not a directory or there are not sufficient permissions to access it. '" . $this->config['repository'] . "'\n";
 650                 }
 651
 652
 653                 $this->assign("queue_files",$queue_files);
 654                 $this->_last_node = null;
 655
 656                 $menu  = new HTML_TreeMenu();
 657
 658                 //pass an empty array because we don't want the documents for each category showing up in this list box
 659                 $rnode = $this->_array_recurse($this->tree->tree,array());
 660                 $menu->addItem($rnode);
 661                 $treeMenu_listbox  = new HTML_TreeMenu_Listbox($menu, array());
 662
 663                 $this->assign("tree_html_listbox",$treeMenu_listbox->toHTML());
 664
 665                 $this->assign("messages",nl2br($messages));
 666                 return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_queue.html");
 667         }
 668
 669         function queue_action_process() {
 670                 if ($_POST['process'] != "true")
 671                         return;
 672
 673                 $messages = $this->_tpl_vars['messages'];
 674
 675                 //build a category tree so we can have a list of category ids that are valid
 676                 $ct = new CategoryTree(1);
 677                 $categories = $ct->_id_name;
 678
 679                 //see if there were and posted files and assign them
 680                 $files = null;
 681                 is_array($_POST['files']) ? $files = $_POST['files']: $files = array();
 682
 683                 //loop through posted files
 684                 foreach($files as $doc_id=> $file) {
 685                         //only operate on files checked as active
 686                         if (!$file['active']) continue;
 687
 688                         //run basic validation checks
 689                         if (!is_numeric($file['patient_id']) || !is_numeric($file['category_id']) || !is_numeric($doc_id)) {
 690                                 $messages .= "Error processing file '" . $file['name'] ."' the patient id must be a number and the category must exist.\n";
 691                                 continue;
 692                         }
 693
 694                         //validate that the pod exists
 695                         $d = new Document($doc_id);
 696                         $sql = "SELECT pid from patient_data where pubpid = '" . $file['patient_id'] . "'";
 697                         $result = $d->_db->Execute($sql);
 698
 699                         if (!$result || $result->EOF) {
 700                                 //patient id does not exist
 701                                 $messages .= "Error processing file '" . $file['name'] ." the specified patient id '" . $file['patient_id'] . "' could not be found.\n";
 702                                 continue;
 703                         }
 704
 705                         //validate that the category id exists
 706                         if (!isset($categories[$file['category_id']])) {
 707                                 $messages .= "Error processing file '" . $file['name'] . " the specified category with id '" . $file['category_id'] . "' could not be found.\n";
 708                                 continue;
 709                         }
 710
 711                         //now do the work of moving the file
 712                         $new_path = $this->_config['repository'] . $file['patient_id'] ."/";
 713
 714                         //see if the patient dir exists in the repository and create if not
 715                         if (!file_exists($new_path)) {
 716                                 if (!mkdir($new_path,0700)) {
 717                                         $messages .= "The system was unable to create the directory for this upload, '" . $new_path . "'.\n";
 718                                         continue;
 719                                 }
 720                         }
 721
 722                         //fname is the name of the file after it is moved
 723                         $fname = $file['name'];
 724
 725                         //see if patient autonumbering is used in this filename, if so strip out the autonumber part
 726                         preg_match("/^([0-9]+)_/",basename_international($fname),$patient_match);
 727                         if ($patient_match[1] == $file['patient_id']) {
 728                                 $fname = preg_replace("/^([0-9]+)_/","",$fname);
 729                         }
 730
 731                         //filenames should not have funny chars
 732                         $fname = preg_replace("/[^a-zA-Z0-9_.]/","_",$fname);
 733
 734                         //see if there is an existing file with the same name and rename as necessary
 735                         if (file_exists($new_path.$file['name'])) {
 736                                 $messages .= "File with same name already exists at location: " . $new_path . "\n";
 737                                 $fname = basename_international($this->_rename_file($new_path.$file['name']));
 738                                 $messages .= "Current file name was changed to " . $fname ."\n";
 739                         }
 740
 741                         //now move the file
 742                         if (rename($this->_config['repository'].$file['name'],$new_path.$fname)) {
 743                                 $messages .= "File " . $fname . " moved to patient id '" . $file['patient_id'] ."' and category '" . $categories[$file['category_id']]['name'] . "' successfully.\n";
 744                                 $d->url = "file://" .$new_path.$fname;
 745                                 $d->set_foreign_id($file['patient_id']);
 746                                 $d->set_mimetype($mimetype);
 747                                 $d->persist();
 748                                 $d->populate();
 749
 750                                 if (is_numeric($d->get_id()) && is_numeric($file['category_id'])) {
 751                                   $sql = "REPLACE INTO categories_to_documents set category_id = '" . $file['category_id'] . "', document_id = '" . $d->get_id() . "'";
 752                                   $d->_db->Execute($sql);
 753                                 }
 754                         }
 755                         else {
 756                                 $error .= "The file could not be succesfully stored, this error is usually related to permissions problems on the storage system.\n";
 757                         }
 758                 }
 759                         $this->assign("messages",$messages);
 760                         $_POST['process'] = "";
 761         }
 762
 763         function move_action_process($patient_id="",$document_id) {
 764                 if ($_POST['process'] != "true")
 765                         return;
 766
 767                 $new_category_id = $_POST['new_category_id'];
 768                 $new_patient_id = $_POST['new_patient_id'];
 769
 770                 //move to new category
 771                 if (is_numeric($new_category_id) && is_numeric($document_id)) {
 772                         $sql = "UPDATE categories_to_documents set category_id = '" . $new_category_id . "' where document_id = '" . $document_id ."'";
 773                         $messages .= xl('Document moved to new category','','',' \'') . $this->tree->_id_name[$new_category_id]['name']  . xl('successfully.','','\' ') . "\n";
 774                         //echo $sql;
 775                         $this->tree->_db->Execute($sql);
 776                 }
 777
 778                 //move to new patient
 779                 if (is_numeric($new_patient_id) && is_numeric($document_id)) {
 780                         $d = new Document($document_id);
 781                         // $sql = "SELECT pid from patient_data where pubpid = '" . $new_patient_id . "'";
 782                         $sql = "SELECT pid from patient_data where pid = '" . $new_patient_id . "'";
 783                         $result = $d->_db->Execute($sql);
 784
 785                         if (!$result || $result->EOF) {
 786                                 //patient id does not exist
 787                                 $messages .= xl('Document could not be moved to patient id','','',' \'') . $new_patient_id  . xl('because that id does not exist.','','\' ') . "\n";
 788                         }
 789                         else {
 790         $couchsavefailed = !$d->change_patient($new_patient_id);
 791
 792                                 $this->_state = false;
 793                                 if(!$couchsavefailed){
 794
 795                                 $messages .= xl('Document moved to patient id','','',' \'') . $new_patient_id  . xl('successfully.','','\' ') . "\n";
 796                                 }
 797                                 else{
 798
 799                                 $messages .= xl('Document moved to patient id','','',' \'') . $new_patient_id  . xl('Failed.','','\' ') . "\n";
 800                                 }
 801                                 $this->assign("messages",$messages);
 802                                 return $this->list_action($patient_id);
 803                         }
 804                 }
 805                 //in this case return the document to the queue instead of moving it
 806                 elseif (strtolower($new_patient_id) == "q" && is_numeric($document_id)) {
 807                         $d = new Document($document_id);
 808                         $new_path = $this->_config['repository'];
 809                         $fname = $d->get_url_file();
 810
 811                         //see if there is an existing file with the same name and rename as necessary
 812                         if (file_exists($new_path.$d->get_url_file())) {
 813                                 $messages .= "File with same name already exists in the queue.\n";
 814                                 $fname = basename_international($this->_rename_file($new_path.$d->get_url_file()));
 815                                 $messages .= "Current file name was changed to " . $fname ."\n";
 816                         }
 817
 818                         //now move the file
 819                         if (rename($d->get_url_filepath(),$new_path.$fname)) {
 820                                 $d->url = "file://" .$new_path.$fname;
 821                                 $d->set_foreign_id("");
 822                                 $d->persist();
 823                                 $d->persist();
 824                                 $d->populate();
 825
 826                                 $sql = "DELETE FROM categories_to_documents where document_id =" . $d->_db->qstr($document_id);
 827                                 $d->_db->Execute($sql);
 828                                 $messages .= "Document returned to queue successfully.\n";
 829
 830                         }
 831                         else {
 832                                 $messages .= "The file could not be succesfully stored, this error is usually related to permissions problems on the storage system.\n";
 833                         }
 834
 835                         $this->_state = false;
 836                         $this->assign("messages",$messages);
 837                         return $this->list_action($patient_id);
 838                 }
 839
 840                 $this->_state = false;
 841                 $this->assign("messages",$messages);
 842                 return $this->view_action($patient_id,$document_id);
 843         }
 844
 845         function validate_action_process($patient_id="", $document_id) {
 846
 847                 $d = new Document($document_id);
 848                 if($d->couch_docid && $d->couch_revid){
 849                         $file_path = $GLOBALS['OE_SITE_DIR'].'/documents/temp/';
 850                         $url = $file_path.$d->get_url();
 851                         $couch = new CouchDB();
 852                         $data = array($GLOBALS['couchdb_dbase'],$d->couch_docid);
 853                         $resp = $couch->retrieve_doc($data);
 854                         $content = $resp->data;
 855                         //--------Temporarily writing the file for calculating the hash--------//
 856                         //-----------Will be removed after calculating the hash value----------//
 857                         $temp_file = fopen($url,"w");
 858                         fwrite($temp_file,base64_decode($content));
 859                         fclose($temp_file);
 860                 }
 861                 else{
 862                 $url =  $d->get_url();
 863
 864                 //strip url of protocol handler
 865                 $url = preg_replace("|^(.*)://|","",$url);
 866
 867                 //change full path to current webroot.  this is for documents that may have
 868                 //been moved from a different filesystem and the full path in the database
 869                 //is not current.  this is also for documents that may of been moved to
 870                 //different patients. Note that the path_depth is used to see how far down
 871                 //the path to go. For example, originally the path_depth was always 1, which
 872                 //only allowed things like documents/1/<file>, but now can have more structured
 873                 //directories. For example a path_depth of 2 can give documents/encounters/1/<file>
 874                 // etc.
 875                 // NOTE that $from_filename and basename($url) are the same thing
 876                 $from_all = explode("/",$url);
 877                 $from_filename = array_pop($from_all);
 878                 $from_pathname_array = array();
 879                 for ($i=0;$i<$d->get_path_depth();$i++) {
 880                         $from_pathname_array[] = array_pop($from_all);
 881                 }
 882                 $from_pathname_array = array_reverse($from_pathname_array);
 883                 $from_pathname = implode("/",$from_pathname_array);
 884                 $temp_url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $from_pathname . '/' . $from_filename;
 885                 if (file_exists($temp_url)) {
 886                         $url = $temp_url;
 887                 }
 888
 889             if ($_POST['process'] != "true") {
 890                         die("process is '" . $_POST['process'] . "', expected 'true'");
 891                         return;
 892                 }
 893                 }
 894                 $d = new Document( $document_id );
 895                 $current_hash = sha1_file( $url );
 896                 $messages = xl('Current Hash').": ".$current_hash."<br>";
 897                 $messages .= xl('Stored Hash').": ".$d->get_hash()."<br>";
 898                 if ( $d->get_hash() == '' ) {
 899                     $d->hash = $current_hash;
 900                     $d->persist();
 901                     $d->populate();
 902                     $messages .= xl('Hash did not exist for this file. A new hash was generated.');
 903                 } else if ( $current_hash != $d->get_hash() ) {
 904                     $messages .= xl('Hash does not match. Data integrity has been compromised.');
 905                 } else {
 906                     $messages .= xl('Document passed integrity check.');
 907                 }
 908                 $this->_state = false;
 909                 $this->assign("messages", $messages);
 910                 if($d->couch_docid && $d->couch_revid){
 911                         //Removing the temporary file which is used to create the hash
 912                         unlink($GLOBALS['OE_SITE_DIR'].'/documents/temp/'.$d->get_url());
 913                 }
 914                 return $this->view_action($patient_id, $document_id);
 915         }
 916
 917         // Added by Rod for metadata update.
 918         //
 919         function update_action_process($patient_id="", $document_id) {
 920
 921                 if ($_POST['process'] != "true") {
 922                         die("process is '" . $_POST['process'] . "', expected 'true'");
 923                         return;
 924                 }
 925
 926                 $docdate = $_POST['docdate'];
 927                 $docname = $_POST['docname'];
 928                 $issue_id = $_POST['issue_id'];
 929
 930                 if (is_numeric($document_id)) {
 931                     $messages = '';
 932                     $d = new Document( $document_id );
 933                     $file_name = $d->get_url_file();
 934                     if ( $docname != '' &&
 935                          $docname != $file_name ) {
 936                         // Ready to rename - check for relocation
 937                         $old_url = $this->_check_relocation($d->get_url());
 938                         $new_url = $this->_check_relocation($d->get_url(), null, $docname);
 939                         $messages .= sprintf("%s -> %s<br>", $old_url, $new_url);
 940                     if ( rename( $old_url, $new_url ) ) {
 941                         // check the "converted" file, and delete it if it exists. It will be regenerated when report is run
 942                         if ( file_exists( $old_url ) ) {
 943                                     unlink( $old_url );
 944                                 }
 945                                 $d->url = $new_url;
 946                     $d->persist();
 947                     $d->populate();
 948                                 $messages .= xl('Document successfully renamed.')."<br>";
 949                         } else {
 950                                 $messages .= xl('The file could not be succesfully renamed, this error is usually related to permissions problems on the storage system.')."<br>";
 951                         }
 952                     }
 953
 954                         if (preg_match('/^\d\d\d\d-\d+-\d+$/', $docdate)) {
 955                                 $docdate = "'$docdate'";
 956                         } else {
 957                                 $docdate = "NULL";
 958                         }
 959                         if (!is_numeric($issue_id)) {
 960                                 $issue_id = 0;
 961                         }
 962                         $couch_docid = $d->get_couch_docid();
 963                         $couch_revid = $d->get_couch_revid();
 964                         if($couch_docid && $couch_revid ){
 965                         $sql = "UPDATE documents SET docdate = $docdate, url = '".$_POST['docname']."', " .
 966                                         "list_id = '$issue_id' " .
 967                                         "WHERE id = '$document_id'";
 968                         $this->tree->_db->Execute($sql);
 969
 970                         }
 971                         else{
 972                         $sql = "UPDATE documents SET docdate = $docdate, " .
 973                                 "list_id = '$issue_id' " .
 974                                 "WHERE id = '$document_id'";
 975                         $this->tree->_db->Execute($sql);
 976                         }
 977                         $messages .= xl('Document date and issue updated successfully') . "<br>";
 978                 }
 979
 980                 $this->_state = false;
 981                 $this->assign("messages", $messages);
 982                 return $this->view_action($patient_id, $document_id);
 983         }
 984
 985         function list_action($patient_id = "") {
 986                 $this->_last_node = null;
 987                 $categories_list = $this->tree->_get_categories_array($patient_id);
 988                 //print_r($categories_list);
 989
 990                 $menu  = new HTML_TreeMenu();
 991                 $rnode = $this->_array_recurse($this->tree->tree,$categories_list);
 992                 $menu->addItem($rnode);
 993                 $treeMenu = new HTML_TreeMenu_DHTML($menu, array('images' => 'images', 'defaultClass' => 'treeMenuDefault'));
 994                 $treeMenu_listbox  = new HTML_TreeMenu_Listbox($menu, array('linkTarget' => '_self'));
 995
 996                 $this->assign("tree_html",$treeMenu->toHTML());
 997
 998                 return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_list.html");
 999         }
1000
1001     /*  This is a recursive function to rename a file to something that doesn't already exist.
1002      *      Modified in version 3.2.0 to place a counter within the filename (previously was placed
1003      *      at end) to ensure documents opened correctly by external browser viewers. If the
1004      *      counter is at the end of the file, then will use it (to continue to work with older
1005      *      files), however all new counters will be placed within filenames.
1006      *
1007      *      Modified to only deal with base file name when renaming, to avoid issues with directory
1008      *      names with dots.
1009      */
1010     function _rename_file($fname, $self=FALSE) {
1011         // Allow same routine for new file name check
1012         if (!file_exists($fname)) return($fname);
1013
1014         $path = dirname($fname);
1015         $file = basename_international($fname);
1016
1017         $fparts = explode(".",$file);
1018         switch (count($fparts)) {
1019                 case 1:
1020                         // Has a single node (base file name).  Create counter node with value 0
1021                         $fparts[1] = '1';
1022                         break;
1023                 case 2:
1024                         // If 2nd node is numeric, assume it is counter and add 1 else insert counter
1025                         if (is_numeric($fparts[1])) {
1026                                 $fparts[1] += 1;
1027                         } else {
1028                                 array_push($fparts, $fparts[1]);
1029                                 $fparts[1] = '1';
1030                         }
1031                         break;
1032                 default:
1033                         // Multiple nodes
1034                         $ix_end = count($fparts) - 1;
1035                         if (is_numeric($fparts[$ix_end]) && !is_numeric($fparts[$ix_end - 1])) {
1036                                 // Switch old style to new and check again
1037                                 $wrk = $fparts[$ix_end - 1];
1038                                 $fparts[$ix_end - 1] = $fparts[$ix_end];
1039                                 $fparts[$ix_end] = $wrk;
1040                         } else if (is_numeric($fparts[$ix_end - 1])) {
1041                                 $fparts[$ix_end - 1] += 1;
1042                         } else {
1043                                 array_push($fparts, $fparts[$ix_end]);
1044                                 $fparts[$ix_end] = '1';
1045                         }
1046                         break;
1047         }
1048
1049         $fname = $path.DIRECTORY_SEPARATOR.join(".", $fparts);
1050
1051         if (file_exists($fname)) {
1052             return $this->_rename_file($fname, TRUE);
1053         } else {
1054             return($fname);
1055         }
1056     }
1057
1058         function &_array_recurse($array,$categories = array()) {
1059                 if (!is_array($array)) {
1060                         $array = array();
1061                 }
1062                 $node = &$this->_last_node;
1063                 $current_node = &$node;
1064                 $expandedIcon = 'folder-expanded.gif';
1065                 foreach($array as $id => $ar) {
1066                         $icon = 'folder.gif';
1067                         if (is_array($ar)  || !empty($id)) {
1068                           if ($node == null) {
1069                                 //echo "r:" . $this->tree->get_node_name($id) . "<br>";
1070                             $rnode = new HTML_TreeNode(array("id" => $id, 'text' => $this->tree->get_node_name($id), 'link' => $this->_link("upload") . "parent_id=" . $id . "&", 'icon' => $icon, 'expandedIcon' => $expandedIcon, 'expanded' => false));
1071                             $this->_last_node = &$rnode;
1072                                 $node = &$rnode;
1073                                 $current_node = &$rnode;
1074                           }
1075                           else {
1076                                 //echo "p:" . $this->tree->get_node_name($id) . "<br>";
1077                             $this->_last_node = &$node->addItem(new HTML_TreeNode(array("id" => $id, 'text' => $this->tree->get_node_name($id), 'link' => $this->_link("upload") . "parent_id=" . $id . "&", 'icon' => $icon, 'expandedIcon' => $expandedIcon)));
1078                             $current_node = &$this->_last_node;
1079                           }
1080
1081                           $this->_array_recurse($ar,$categories);
1082                         }
1083                         else {
1084                                 if ($id === 0 && !empty($ar)) {
1085                                   $info = $this->tree->get_node_info($id);
1086                                   //echo "b:" . $this->tree->get_node_name($id) . "<br>";
1087                                   $current_node = &$node->addItem(new HTML_TreeNode(array("id" => $id, 'text' => $info['value'], 'link' => $this->_link("upload") . "parent_id=" . $id . "&", 'icon' => $icon, 'expandedIcon' => $expandedIcon)));
1088                                 }
1089                                 else {
1090                                         //there is a third case that is implicit here when title === 0 and $ar is empty, in that case we do not want to do anything
1091                                         //this conditional tree could be more efficient but working with recursive trees makes my head hurt, TODO
1092                                         if ($id !== 0 && is_object($node)) {
1093                                           //echo "n:" . $this->tree->get_node_name($id) . "<br>";
1094                                           $current_node = &$node->addItem(new HTML_TreeNode(array("id" => $id, 'text' => $this->tree->get_node_name($id), 'link' => $this->_link("upload") . "parent_id=" . $id . "&", 'icon' => $icon, 'expandedIcon' => $expandedIcon)));
1095
1096                                         }
1097                                 }
1098                         }
1099
1100                         // If there are documents in this document category, then add their
1101                         // attributes to the current node.
1102                         $icon = "file3.png";
1103                         if (is_array($categories[$id])) {
1104                                 foreach ($categories[$id] as $doc) {
1105           if($this->tree->get_node_name($id) == "CCR"){
1106             $current_node->addItem(new HTML_TreeNode(array(
1107               'text' => $doc['docdate'] . ' ' . basename_international($doc['url']),
1108               'link' => $this->_link("view") . "doc_id=" . $doc['document_id'] . "&",
1109               'icon' => $icon,
1110               'expandedIcon' => $expandedIcon,
1111               'events' => array('Onclick' => "javascript:newwindow=window.open('ccr/display.php?type=CCR&doc_id=" . $doc['document_id'] . "','CCR');")
1112             )));
1113           }elseif($this->tree->get_node_name($id) == "CCD"){
1114             $current_node->addItem(new HTML_TreeNode(array(
1115               'text' => $doc['docdate'] . ' ' . basename_international($doc['url']),
1116               'link' => $this->_link("view") . "doc_id=" . $doc['document_id'] . "&",
1117               'icon' => $icon,
1118               'expandedIcon' => $expandedIcon,
1119               'events' => array('Onclick' => "javascript:newwindow=window.open('ccr/display.php?type=CCD&doc_id=" . $doc['document_id'] . "','CCD');")
1120             )));
1121           }else{
1122             $current_node->addItem(new HTML_TreeNode(array(
1123               'text' => $doc['docdate'] . ' ' . basename_international($doc['url']),
1124               'link' => $this->_link("view") . "doc_id=" . $doc['document_id'] . "&",
1125               'icon' => $icon,
1126               'expandedIcon' => $expandedIcon
1127             )));
1128           }
1129                                 }
1130                         }
1131
1132                 }
1133                 return $node;
1134         }
1135
1136         //function for logging  the errors in writing file to CouchDB/Hard Disk
1137         function document_upload_download_log($patientid,$content){
1138                 $log_path = $GLOBALS['OE_SITE_DIR']."/documents/couchdb/";
1139                 $log_file = 'log.txt';
1140                 if(!is_dir($log_path))
1141                     mkdir($log_path,0777,true);
1142                 $LOG = fopen($log_path.$log_file,'a');
1143                 fwrite($LOG,$content);
1144                 fclose($LOG);
1145         }
1146
1147         function document_send($email,$body,$attfile,$pname) {
1148                 if (empty($email)) {
1149                         $this->assign("process_result","Email could not be sent, the address supplied: '$email' was empty or invalid.");
1150                         return;
1151                 }
1152
1153                   $desc = "Please check the attached patient document.\n Content:".attr($body);
1154                   $mail = new MyMailer();
1155                   $from_name = $GLOBALS["practice_return_email_path"];
1156                   $from =  $GLOBALS["practice_return_email_path"];
1157                   $mail->AddReplyTo($from,$from_name);
1158                   $mail->SetFrom($from,$from );
1159                   $to = $email ; $to_name =$email;
1160                   $mail->AddAddress($to, $to_name);
1161                   $subject = "Patient documents";
1162                   $mail->Subject = $subject;
1163                   $mail->Body = $desc;
1164                   $mail->AddAttachment($attfile);
1165                   if ($mail->Send()) {
1166                          $retstatus = "email_sent";
1167                   } else {
1168                         $email_status = $mail->ErrorInfo;
1169                         //echo "EMAIL ERROR: ".$email_status;
1170                         $retstatus =  "email_fail";
1171                   }
1172         }
1173
1174 //place to hold optional code
1175 //$first_node = array_keys($t->tree);
1176                 //$first_node = $first_node[0];
1177                 //$node1 = new HTML_TreeNode(array('text' => $t->get_node_name($first_node), 'link' => "test.php", 'icon' => $icon, 'expandedIcon' => $expandedIcon, 'expanded' => true), array('onclick' => "alert('foo'); return false", 'onexpand' => "alert('Expanded')"));
1178
1179                 //$this->_last_node = &$node1;
1180
1181 // Function to tag a document to an encounter.
1182 function tag_action_process($patient_id="", $document_id) {
1183         if ($_POST['process'] != "true") {
1184                 die("process is '" . text($_POST['process']) . "', expected 'true'");
1185                 return;
1186         }
1187
1188         // Create Encounter and Tag it.
1189         $event_date = date('Y-m-d H:i:s');
1190         $encounter_id = $_POST['encounter_id'];
1191         $encounter_check = $_POST['encounter_check'];
1192         $visit_category_id = $_POST['visit_category_id'];
1193
1194         if (is_numeric($document_id)) {
1195                 $messages = '';
1196                 $d = new Document( $document_id );
1197                 $file_name = $d->get_url_file();
1198                 if (!is_numeric($encounter_id)) {
1199                         $encounter_id = 0;
1200                 }
1201
1202                 $encounter_check = ( $encounter_check == 'on') ? 1 : 0;
1203                 if ($encounter_check) {
1204                         $provider_id = $_SESSION['authUserID'] ;
1205
1206                         // Get the logged in user's facility
1207                         $facilityRow = sqlQuery("SELECT username, facility, facility_id FROM users WHERE id = ?", array("$provider_id"));
1208                         $username = $facilityRow['username'];
1209                         $facility = $facilityRow['facility'];
1210                         $facility_id = $facilityRow['facility_id'];
1211                         // Get the primary Business Entity facility to set as billing facility, if null take user's facility as billing facility
1212                         $billingFacility = sqlQuery("SELECT id FROM facility WHERE primary_business_entity = 1");
1213                         $billingFacilityID = ( $billingFacility['id'] ) ? $billingFacility['id'] : $facility_id;
1214
1215                         $conn = $GLOBALS['adodb']['db'];
1216                         $encounter = $conn->GenID("sequences");
1217                         $query = "INSERT INTO form_encounter SET
1218                                                 date = ?,
1219                                                 reason = ?,
1220                                                 facility = ?,
1221                                                 sensitivity = 'normal',
1222                                                 pc_catid = ?,
1223                                                 facility_id = ?,
1224                                                 billing_facility = ?,
1225                                                 provider_id = ?,
1226                                                 pid = ?,
1227                                                 encounter = ?";
1228                         $bindArray = array($event_date,$file_name,$facility,$_POST['visit_category_id'],(int)$facility_id,(int)$billingFacilityID,(int)$provider_id,$patient_id,$encounter);
1229                         $formID = sqlInsert($query,$bindArray);
1230                         addForm($encounter, "New Patient Encounter",$formID,"newpatient", $patient_id, "1", date("Y-m-d H:i:s"), $username );
1231                         $d->set_encounter_id($encounter);
1232                         $this->image_result_indication($d->id, $encounter);
1233
1234                 } else {
1235                         $d->set_encounter_id($encounter_id);
1236                         $this->image_result_indication($d->id, $encounter_id);
1237                 }
1238                 $d->set_encounter_check($encounter_check);
1239                 $d->persist();
1240
1241                 $messages .= xlt('Document tagged to Encounter successfully') . "<br>";
1242         }
1243
1244         $this->_state = false;
1245         $this->assign("messages", $messages);
1246
1247         return $this->view_action($patient_id, $document_id);
1248 }
1249
1250 function image_procedure_action($patient_id="",$document_id){
1251
1252         $img_procedure_id = $_POST['image_procedure_id'];
1253         $proc_code = $_POST['procedure_code'];
1254
1255         if(is_numeric($document_id)){
1256
1257                 $img_order  = sqlQuery("select * from procedure_order_code where procedure_order_id = ? and procedure_code = ? ",array($img_procedure_id,$proc_code));
1258                 $img_report = sqlQuery("select * from procedure_report where procedure_order_id = ? and procedure_order_seq = ? ",array($img_procedure_id,$img_order['procedure_order_seq']));
1259                 $img_report_id = !empty($img_report['procedure_report_id']) ? $img_report['procedure_report_id'] : 0;
1260                 if($img_report_id == 0){
1261                         $report_date = date('Y-m-d H:i:s');
1262                         $img_report_id = sqlInsert("INSERT INTO procedure_report(procedure_order_id,procedure_order_seq,date_collected,date_report,report_status) values(?,?,?,?,'final')",array($img_procedure_id,$img_order['procedure_order_seq'],$img_order['date_collected'],$report_date));
1263                 }
1264
1265                 $img_result = sqlQuery("select * from procedure_result where procedure_report_id = ? and document_id = ?",array($img_report_id,$document_id));
1266                 if(empty($img_result)){
1267                         sqlInsert("INSERT INTO procedure_result(procedure_report_id,date,document_id,result_status) values(?,?,?,'final')",array($img_report_id,date('Y-m-d H:i:s'),$document_id));
1268                 }
1269
1270                 $this->image_result_indication($document_id, 0,$img_procedure_id);
1271         }
1272         return $this->view_action($patient_id, $document_id);
1273 }
1274
1275 function clear_procedure_tag_action($patient_id="",$document_id){
1276         if(is_numeric($document_id)){
1277                 sqlStatement("delete from procedure_result where document_id = ?",$document_id);
1278         }
1279         return $this->view_action($patient_id, $document_id);
1280 }
1281
1282 function get_mapped_procedure($document_id){
1283         $map = array();
1284         if(is_numeric($document_id)){
1285                 $map = sqlQuery("select poc.procedure_order_id,poc.procedure_code from procedure_result pres
1286                                                    inner join procedure_report pr on pr.procedure_report_id = pres.procedure_report_id
1287                                                    inner join procedure_order_code poc on (poc.procedure_order_id = pr.procedure_order_id and poc.procedure_order_seq = pr.procedure_order_seq)
1288                                                    inner join procedure_order po on po.procedure_order_id = poc.procedure_order_id
1289                                                    where pres.document_id = ?",array($document_id));
1290         }
1291         return $map;
1292 }
1293
1294 function image_result_indication($doc_id,$encounter,$image_procedure_id = 0){
1295         $doc_notes = sqlQuery("select note from notes where foreign_id = ?",array($doc_id));
1296         $narration = isset($doc_notes['note']) ? 'With Narration': 'Without Narration';
1297
1298         if($encounter != 0) {
1299                 $ep = sqlQuery("select u.username as assigned_to from form_encounter inner join users u on u.id = provider_id where encounter = ?",array($encounter));
1300         }
1301         else if($image_procedure_id != 0){
1302                 $ep = sqlQuery("select u.username as assigned_to from procedure_order inner join users u on u.id = provider_id where procedure_order_id = ?",array($image_procedure_id));
1303         }
1304         else{
1305                 $ep = array('assigned_to' => $_SESSION['authUser']);
1306         }
1307
1308         $encounter_provider = isset($ep['assigned_to']) ? $ep['assigned_to'] : $_SESSION['authUser'];
1309         $noteid = addPnote($_SESSION['pid'],'New Image Report received '.$narration,0,1,'Image Results',$encounter_provider,'','New','');
1310         setGpRelation(1, $doc_id, 6, $noteid);
1311 }
1312
1313 /**  Function to accomodate the relocation of entire "documents" folder to another host or filesystem  **
1314  * Also usable for documents that may of been moved to different patients.
1315  *
1316  * @param string $url - Current url string from database.
1317  * @param string $new_pid - Include pid corrections to receive corrected url during move operation.
1318  * @param string $new_name - Include name corrections to receive corrected url during rename operation.
1319  *
1320  * @return string
1321  */
1322 function _check_relocation($url, $new_pid = null, $new_name = null) {
1323         //strip url of protocol handler
1324         $url = preg_replace("|^(.*)://|","",$url);
1325         $fsnodes = explode(DIRECTORY_SEPARATOR, $url);
1326         while (current($fsnodes) != "documents") {
1327                 array_shift($fsnodes);
1328         }
1329         if ($new_pid) {
1330                 $fsnodes[1] = $new_pid;
1331         }
1332         if ($new_name) {
1333                 $fsnodes[count($fsnodes)-1] = $new_name;
1334         }
1335         $url = $GLOBALS['OE_SITE_DIR'].DIRECTORY_SEPARATOR.implode(DIRECTORY_SEPARATOR, $fsnodes);
1336         // Make sure the url is available after corrections
1337         if ($new_pid || $new_name) {
1338                 $url = $this->_rename_file($url);
1339         }
1340         //Add full path and remaining nodes
1341         return $url;
1342 }
1343
1344 }
1345 ?>